Structural Engineers

Tonkin's structural engineers work from our offices around Australia, including in Sydney, Brisbane, Sunshine Coast, Adelaide, Mildura and Mount Gambier.

The key types of buildings and structures we work on include:

Award-winning structural engineering

Tonkin has received numerous awards for our structural engineering services, including the Engineers Australia SA Project of the Year for our work on the Flinders Chase National Park Visitor Centre, and the Consult Australia Award for Excellence in Innovative Design for our work on the Parramatta Escarpment Boardwalk.
Flinders Chase National Park Visitor Centre in South Australia
Tonkin was awarded the Engineers Australia 2025 Project of the Year for our work on the Flinders Chase National Park Visitor Centre on Kangaroo Island

Need a structural engineer for your project?

Contact our structural engineers below who will be happy to assist you.

Tonkin's lead Maroochydore and Brisbane structural engineers

Tom, Ricky and the QLD team work across Queensland including Brisbane, Maroochydore, Sunshine Coast, Gold Coast, Caloundra, Caboolture, Ipswich, Toowoomba and Bundaberg. Our Queensland team also services northern New South Wales, including Byron Bay.  

Tonkin's lead Sydney structural engineers

Tonkin's Sydney structural engineers work across all regions of greater Sydney including Blacktown, Castle Hill, Parramatta, Penrith, Western Sydney, Bondi, Campbelltown, Inner West Sydney, North Sydney and Sutherland Shire. We also work further afield across NSW including Newcastle, Central Coast, Wollongong, Maitland, Tweed Heads, Albury, Coffs Harbour and Port Maquarie. 

Tonkin's lead SA / VIC structural engineers

Our Adelaide, Mildura and Mount Gambier based structural engineers work on projects across South Australia, south-western Victoria and western NSW, particularly in regional communities like Broken Hill, Port Lincoln, Renmark, Kangaroo Island, Gawler, Mount Barker, Whyalla, Murray Bridge and Victor Harbor.
Parramatta Aquatic Centre
Tonkin received a High Commendation in the Innovation for Excellence category at the 2024 Consult Australia Awards for our work on the Parramatta Aquatic Centre

Why choose Tonkin?

As a mid-sized engineering and environmental consultancy with 230+ staff at seven offices around Australia, we offer an experienced, multidisciplinary team to help your project run smoothly from day one. In addition to structural engineering, our civil engineers and environmental professionals provide a wide range of additional services your building project may need including: 

Ready to speak with one of our structural engineers?